<?php  // $Id: edit_form.php,v 1.8.2.5 2008/02/25 05:30:44 moodler Exp $

require_once($CFG->libdir.'/formslib.php');

class blog_edit_form extends moodleform {

	function definition() {

		global $CFG, $COURSE, $USER;
		$mform	=& $this->_form;

		$post = $this->_customdata['existing'];
		$sitecontext = $this->_customdata['sitecontext'];

		// the upload manager is used directly in entry processing, moodleform::save_files() is not used yet
		$this->set_upload_manager(new upload_manager('attachment', true, false, $COURSE, false, 0, true, true, false));

		$mform->addElement('header', 'general', get_string('general', 'form'));
		$mform->addElement('text', 'subject', get_string('entrytitle', 'blog'), 'size="60"');
		$mform->setType('subject', PARAM_TEXT);
		$mform->addRule('subject', get_string('emptytitle', 'blog'), 'required', null, 'client');

		$mform->addElement('htmleditor', 'summary', get_string('entrybody', 'blog'), array('rows'=>25));
		$mform->setType('summary', PARAM_RAW);
		$mform->addRule('summary', get_string('emptybody', 'blog'), 'required', null, 'client');
		$mform->setHelpButton('summary', array('writing', 'richtext'), false, 'editorhelpbutton');

		$mform->addElement('format', 'format', get_string('format'));

		$mform->addElement('file', 'attachment', get_string('attachment', 'forum'));

		$mform->addElement('select', 'publishstate', get_string('publishto', 'blog'), blog_applicable_publish_states());
		$mform->setHelpButton('publishstate', array('publish_state', get_string('publishto', 'blog'), 'blog'));


		if (!empty($CFG->usetags)) {
			$mform->addElement('header', 'tagshdr', get_string('tags', 'tag'));
			$mform->createElement('select', 'otags', get_string('otags','tag'));

			$js_escape = array(
				"\r"	=> '\r',
				"\n"	=> '\n',
				"\t"	=> '\t',
				"'"	 => "\\'",
				'"'	 => '\"',
				'\\'	=> '\\\\'
			);

			$otagsselEl =& $mform->addElement('select', 'otags', get_string('otags', 'tag'), array(), 'size="5"');
			$otagsselEl->setMultiple(true);
			$this->otags_select_setup();

			$mform->addElement('textarea', 'ptags', get_string('ptags', 'tag'), array('cols'=>'40', 'rows'=>'5'));
			$mform->setType('ptagsadd', PARAM_NOTAGS);
		}
		
		$this->add_action_buttons();

		$mform->addElement('hidden', 'action');
		$mform->setType('action', PARAM_ACTION);
		$mform->setDefault('action', '');

		$mform->addElement('hidden', 'courseid');
		$mform->setType('courseid', PARAM_INT);

		$mform->addElement('hidden', 'id');
		$mform->setType('id', PARAM_INT);
		$mform->setDefault('id', 0);

	}

	/**
	 * This function sets up options of otag select element. This is called from definition and also
	 * after adding new official tags with the add tag button.
	 *
	 */
	function otags_select_setup(){
		global $CFG;
		$mform =& $this->_form;
		if ($otagsselect =& $mform->getElement('otags')) {
			$otagsselect->removeOptions();
		}
		$namefield = empty($CFG->keeptagnamecase) ? 'name' : 'rawname';
		if ($otags = get_records_sql_menu('SELECT id, '.$namefield.' from '.$CFG->prefix.'tag WHERE tagtype=\'official\' ORDER by name ASC')){
			$otagsselect->loadArray($otags);
		}
	}

}
?>
